Re: to first order ??

From: The World Wide Wade <waderameyxiii@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 30 Sep 2005 13:02:09 -0700

In article <dhk4s7$h7e$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
"Zinc Potterman" <zincnews@xxxxxxxxxxxxxxxxx (delete 123's to
reply)> wrote:

> My physics book says "
> to first order in delta x,
>
> delta f = (df/dx) delta x
>
> What does this mean please?
> Zinc

It means delta f = (df/dx)*delta x + r(x), where r(x)/delta(x) ->
0 as delta(x) -> 0.
.

References:
- to first order ??
  - From: Zinc Potterman

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